In 2013 the FTSE All-Share Index rose 16.7%. This was the 26th strongest performance for the UK equity market in the past 100 years.
NB. The Y-axis in the above chart has been limited to the range -30% to +50% thereby truncating the three years when the market fell more than 30% and the one year when it rose more than 50%.
The following chart shows the frequency distribution of the annual returns of the FTSE All-Share Index for the 100 years since 1914.
In the 100-year period, 11 years (11%) had returns in the range 15% to 20%.